Finding the Fourth Proportional to 205,239,753,469.41, 307,644,125,022 and 69,054,598,054.92
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Solution
The fourth proportional to 205,239,753,469.41, 307,644,125,022 and 69,054,598,054.92 is: 103,509,388,596.68
Step by Step Solution
- Step 1: Write the proportion equation
205,239,753,469.41 : 307,644,125,022 = 69,054,598,054.92 : x - Step 2: Convert to fraction form
205,239,753,469.41/307,644,125,022 = 69,054,598,054.92/x - Step 3: Cross multiply
205,239,753,469.41x = 307,644,125,022 × 69,054,598,054.92 - Step 4: Simplify right side
205,239,753,469.41x = 21,244,241,397,351,767,343,104 - Step 5: Solve for x
x = 21,244,241,397,351,767,343,104/205,239,753,469.41 - Step 6: Final answer
x = 103,509,388,596.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.